package com.simple.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;
@Component
public class SpringUtils implements ApplicationContextAware {

	private static ApplicationContext applicationContext;
	
	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		if(SpringUtils.applicationContext == null) {
			   SpringUtils.applicationContext = applicationContext;
		}
	}

	public static ApplicationContext getApplicationContext() {
		return applicationContext;
	}
	
	//通过class获取Bean.
    public static <T> T getBean(Class<T> clazz) {
        return getApplicationContext().getBean(clazz);
    }

}
